Location Gas Day Gravity BTU CO2 % Nitrogen % Oxygen % H2S Methane % Ethane % Propane % ISO Butane % Normal Butane% Neo Pentane % ISO Pantane % Normal Pentane % Hexane % N-Heptane % N-Octane % N-Nonane % BAY CHECK GC @ 170610 2026/05/26 0.5782 1.01581 0.9784 00.6357 00.0000 00.0000 96.2443 01.9890 00.1285 00.0078 00.0092 00.0000 00.0023 00.0015 00.0013 00.0010 00.0005 00.0000 CUSTER ST @ LINE AD ST1 @ 301608 2026/05/26 0.5764 1.01235 0.6401 01.1901 00.0000 00.0000 96.0616 02.0549 00.0506 00.0011 00.0013 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 00.0000 GLENDALE CEGT TO MRT @ 350100 2026/05/26 0.5804 1.01977 0.7623 00.9397 00.0000 00.0000 95.4804 02.7090 00.0879 00.0052 00.0075 00.0000 00.0018 00.0012 00.0021 00.0016 00.0007 00.0000 CHANDLER ST DISCHARGE GC @ 130640 2026/05/26 0.5806 1.01775 0.8343 00.9699 00.0000 00.0000 95.4999 02.5876 00.0889 00.0060 00.0074 00.0000 00.0016 00.0012 00.0013 00.0009 00.0004 00.0000 FM 63 - Columbia GC @ 206124 2026/05/26 0.6039 1.07915 0.2070 00.4337 00.0000 00.0000 90.5443 08.4194 00.3298 00.0226 00.0285 00.0000 00.0058 00.0036 00.0022 00.0017 00.0008 00.0000 The information displayed above reflects daily average gas quality readings taken at key locations on the EGT systeGQ. The dates shown above are the dates of the readings. The readings are taken daily, and information from such readings is posted on the first day thereafter. If on any reading day there are problems retrieving the data, the last reported readings will remain posted until such time as new readings are obtained. Due to factors such as equipment failure, sample contamination and human error, the information displayed above